Mr Sisson has over 40 years investment management experience and in 1988 founded Balanced Equity Management to manage portfolios of Australian shares. He is a director of Opera Australia (since 2017), a trustee of the Helen Macpherson Smith Trust (since 2020), and a member of the Council of the University of Melbourne (since 2020) and of the Grattan Institute Investment Committee (since 2010). He has previously been a Trustee of the National Gallery of Victoria, a Director of Save the Children Australia and a member of the Takeovers Panel. He is member of Risk Management committee.